Depending on how you define "immediately". This is from the Atlassian FAQ: The end-of-life dates for each products are below: Stride: February 15th, 2019

Depending on how you define "immediately". This is from the Atlassian FAQ: The end-of-life dates for each products are below: Stride: February 15th, 2019 Hipchat Cloud: February 15th, 2019 Hipchat Data Center (v3.0): June 22nd, 2019 Hipchat Data Center (v3.1): September 26th, 2019 Hipchat Server (v2.1): December 8th, 2018 Hipchat Server(v2.2): May 30th, 2019 Hipchat Server (v2.4): June 30th, 2020